class="java"> package com.print.qs5803; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.OutputStream; import java.util.HashMap; import android.content.Context; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.PointF; import android.view.View; import android.widget.LinearLayout; import android.widget.TextView; import com.google.zxing.BarcodeFormat; import com.google.zxing.EncodeHintType; import com.google.zxing.MultiFormatWriter; import com.google.zxing.WriterException; import com.google.zxing.common.BitMatrix; /** * 通过zxing创建条码图片 * * @author yi.zhe * @time 2014-9-23 下午1:54:29 */ public abstract class BarcodeCreater { private static int marginW = 20; public static BarcodeFormat barcodeFormat = BarcodeFormat.CODE_128; public static Bitmap creatBarcode(Context context, String contents, int desiredWidth, int desiredHeight, boolean displayCode, int barType) { Bitmap ruseltBitmap = null; if (barType == 1) barcodeFormat = BarcodeFormat.CODE_128; else if (barType == 2) { barcodeFormat = BarcodeFormat.QR_CODE; } if (displayCode) { Bitmap barcodeBitmap = null; try { barcodeBitmap = encodeAsBitmap(contents, barcodeFormat, desiredWidth, desiredHeight); } catch (WriterException e) { e.printStackTrace(); } Bitmap codeBitmap = creatCodeBitmap(contents, desiredWidth, desiredHeight, context); ruseltBitmap = mixtureBitmap(barcodeBitmap, codeBitmap, new PointF(0.0F, desiredHeight)); } else { try { ruseltBitmap = encodeAsBitmap(contents, barcodeFormat, desiredWidth, desiredHeight); } catch (WriterException e) { e.printStackTrace(); } } return ruseltBitmap; } public static Bitmap creatCodeBitmap(String contents, int width, int height, Context context) { TextView tv = new TextView(context); LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(width, height); tv.setLayoutParams(layoutParams); tv.setText(contents); tv.setHeight(48); tv.setTextSize(25.0F); tv.setGravity(1); tv.setWidth(width); tv.setDrawingCacheEnabled(true); tv.setTextColor(-16777216); tv.setBackgroundColor(-1); tv.measure(View.MeasureSpec.makeMeasureSpec(0, 0), View.MeasureSpec.makeMeasureSpec(0, 0)); tv.layout(0, 0, tv.getMeasuredWidth(), tv.getMeasuredHeight()); tv.buildDrawingCache(); Bitmap bitmapCode = tv.getDrawingCache(); return bitmapCode; } public static Bitmap encode2dAsBitmap(String contents, int desiredWidth, int desiredHeight, int barType) { if (barType == 1) barcodeFormat = BarcodeFormat.CODE_128; else if (barType == 2) { barcodeFormat = BarcodeFormat.QR_CODE; } Bitmap barcodeBitmap = null; try { barcodeBitmap = encodeAsBitmap(contents, barcodeFormat, desiredWidth, desiredHeight); } catch (WriterException e) { e.printStackTrace(); } return barcodeBitmap; } public static Bitmap mixtureBitmap(Bitmap first, Bitmap second, PointF fromPoint) { if ((first == null) || (second == null) || (fromPoint == null)) { return null; } Bitmap newBitmap = Bitmap.createBitmap(first.getWidth(), first.getHeight() + second.getHeight(), Bitmap.Config.ARGB_4444); Canvas cv = new Canvas(newBitmap); cv.drawBitmap(first, 0.0F, 0.0F, null); cv.drawBitmap(second, fromPoint.x, fromPoint.y, null); cv.save(31); cv.restore(); return newBitmap; } public static Bitmap encodeAsBitmap(String contents, BarcodeFormat format, int desiredWidth, int desiredHeight) throws WriterException { int WHITE = -1; int BLACK = -16777216; HashMap hints = null; String encoding = guessAppropriateEncoding(contents); if (encoding != null) { hints = new HashMap(2); hints.put(EncodeHintType.CHARACTER_SET, encoding); } MultiFormatWriter writer = new MultiFormatWriter(); BitMatrix result = writer.encode(contents, format, desiredWidth, desiredHeight, hints); int width = result.getWidth(); int height = result.getHeight(); int[] pixels = new int[width * height]; for (int y = 0; y < height; y++) { int offset = y * width; for (int x = 0; x < width; x++) { pixels[(offset + x)] = (result.get(x, y) ? -16777216 : -1); } } Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); bitmap.setPixels(pixels, 0, width, 0, 0, width, height); return bitmap; } public static String guessAppropriateEncoding(CharSequence contents) { for (int i = 0; i < contents.length(); i++) { if (contents.charAt(i) > '?') { return "UTF-8"; } } return null; } public static boolean saveBitmap2file(Bitmap bmp, String filename) { Bitmap.CompressFormat format = Bitmap.CompressFormat.JPEG; int quality = 100; OutputStream stream = null; try { stream = new FileOutputStream("/sdcard/" + filename); } catch (FileNotFoundException e) { e.printStackTrace(); } return bmp.compress(format, quality, stream); } }